Innovation and Reliability Since 1980

GEM Product Catalogue

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GEM designs and develops Overhauser, Optically Pumped Potassium and Proton Precession magnetometer systems. These systems are offered in various models for different applications. For a quick overview of instruments, please see below. For more details, access the Applications or Products menu items accessible through the GEM TECHNOLOGY menu.

The information is divided into four key areas; GROUND , EARTH MONITORING, UAV and AIRBORNE.  Links are provided to current downloadable brochures on the equipment. GEM Products have a full 3 YEAR Warranty.

 

GROUND GEOPHYSICAL EQUIPMENT

Potassium Magnetometers

High-Precision for Advanced Users

Potassium_system

  • GSMP-35 Console and Sensor
  • .0003nT @ 1Hz
  • Single Sensor & Cables
  • GEMlink Software
  • Expandable Staff & Backpack
  • Avaialble in Gradiometer and with VLF

GEM POTASSIUM MAGNETOMETERS

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Overhauser Magnetometers

High-sensitivity, cost effective

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    • GSM-19 Console with integrated GPS
    • .022nT sensitivity
    • 1 Sec readings
    •  Single Overhauser Sensor & Cables
    • 32 Mb Memory
    • RS-232 Cable / GEMLinkW Software
    • Expandable Staff and available Backback
    • Available in Walking Mode and with Gradiometer and VLF

GEM OVERHAUSER MAGNETOMETERS

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Walking Overhauser Gradiometer / VLF

Multi-Parameter Surveying for cost effective investigations

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  • GSM-19GWV
  • Dual Overhauser Sensor & Cables
  • Omni-directional VLF Sensor with Connector Cables
  • GEMLink Software
  • Backpack

GEM OVERHAUSER MAGNETOMETERS

GEM’s VLF GROUND SYSTEM

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Standard Proton Magnetometer

Robust and Affordable, discrete results at an attractive price

GEM_GSM 19T

  • GSM-19T provides 3 sec sampling
  • avaialble with .5 sec sampling
  • Single Overhauser Sensor & Cables
  • GEMLink Software
  • Expandable Staff

GEM PROTON MAGNETOMETERS

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Automated GEM Ground VLF

Resistivity depth sections

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  • GSMV 19 Automated readings
  • Single sensor houses 3 orthoganol coils
  • user selected VLF stations
  • Walking capability
  • Resistivity depth sections from new software

GEM’s VLF GROUND SYSTEM
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 Non Magnetic Cart

Designed for sensitive multi sensor near surface surveys

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  • Towed Non Magnetic Cart
  • Assembles easilly for practical near surface applications
  • uses up to 4 Overhauser sensors or 10 Potassium sensors
  • Up to 5 gradiometers

 

EARTH MONITORING AND OBSERVATION

dIdD Suspended System

Vector Magnetometer

Precise Earth Monitoring for hourly changes in the Inclination and Declination

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  • GSM-19FD Console
  • 0.050 nT/Hz 1/2 @ 1 sec
  • 0.035 nT/Hz 1/2 @ 2 sec
  • 0.027 nT/Hz 1/2 @ 2.5 sec
  • Spherical Overhauser or Potassium Sensor
  • 12V Power Supply
  • data acquistion console and display software
  • available with/without console and GPS

GEM DIDD VECTOR MAGNETOMETER

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EUROMAG Observatory

Scalar Magnetometer

The standard for long term stability in monitoring installations

31_gsm90small

  • .022nT sensitivity (Available with .015nT sensitivity)
  • .01nT Resolution /  +/- .1nT absolute accuracy
  • Single low power Overhauser Sensor & Cables
  • .2, 1, 3 Sec GSM-90 Console
  • Data acquisition with/without display
  • Remote operation available

GEM OBSERVATORY SYSTEMS

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SUPER GRADIOMETER

Precise Earth monitoring solutions

33_supergrad

  • GSMP 20S3
  • Up to Three – ultra high sensitivity potassium sensors
  • gradient cabling lengths up to 300 meters
  • Data acquisition console

GEM SUPERGRADIOMETER
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UAV SOLUTIONS

Monarch UAV Gradiometer

Efficient airborne surveys with better resolution and more detail

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  • Autonomous flight and landing
  • Catapult launching
  • 2 – GSMP-35U magnetometers
  • complete navigation /mission planning
  • .0003nT @ 1Hz sensitivity
  • 1 hour flights @ 60km/hr
  • Training Included
  • 2 small shipping crates

GEM MONARCH

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UAV Lightweight Magnetometer

Lightweight high sensitivity and absolute accuracy UAV Magnetometer

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  • 1kg sensor electronics and 3m cables
  • .0003nT @ 1Hz sensitivity
  • available pre-configured for PIXHawk navigation systems with GPS and built in Data acquisition

GEM UAV MAGNETOMETERS 
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UAV Lightweight Airbird

Turn-Key Towable Magnetometer in Lightweight bird

UAV_airbird1

  • GSMP-35U Magnetometer
  • .0003nT @ 1Hz
  • Lightweight bird housing
  • GPS for sub meter accuracy
  • Lasar altimeter
  • Radio Link
  • Battery for 1 hour operation
  • Operates completely independently of UAV

GEM AirBIRD Brochure

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AIRBORNE SOLUTIONS

 

Airborne Potassium Magnetometer

High Sensitivity, robust fast sampling potassium vapour magnetometer

21_potassium mag

  • .0003nT sensitivity @ 1Hz
  • Sensor head and sensor electronics
  • Real-time streaming RS-232 output

GEM AIRBORNE SYSTEMS

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Airborne Magnetometer System

Complete Towed Magnetometer Systems

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  • .0003nT sensitivity @ 1Hz
  • Rugged proven design
  • Available with GPS and Altimeter
  • VLF-EM for resistivity mapping – optional

GEM AIRBORNE SYSTEMS

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Airborne Gradiometer Systems

Custom designed systems for two, three and four sensors

23b airborne systems

  • Robust fibre glass structure
  • Proven designs
  • Integrated GPS and Altimeters available
  • High sensitivity Potassium Magnetometer
  • VLF-EM for shallow resistivity mapping – optional

GEM AIRBORNE SYSTEMS

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Airborne VLF System

Reliable results for shallow Resistivity mapping and conductive trends

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  • 2 independant sensors for multi station capapability
  • Each sensor contains 3 nested coils
  • True inphase and quadrature readings
  • Resistivity Sections from VLF2D software
  • Lightweight

GEM AIRBORNE VLF SYSTEM

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For Our Complete Product list , download the PRODUCT LIST PDF.

GEM Systems products are backed by the strongest warranty in the business. 3 YEAR WARRANTY

If you require additional information please contact us at:

Phone: +1-905-752-2202

Fax: +1-905-752-2205

Email: info@gemsystems.ca

 

INNOVATION AND RELIABILITY SINCE 1980

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